HumansHow World War Zero wrecked three Bronze Age civilisationsThe collapse of three civilisations has long been a mystery. Eberhard Zangger thinks he has the answer, but is he the victim of an elaborate hoax? Features
ÎçÒ¹¸£Àû1000¼¯ºÏStem cells in the brain's hypothalamus help mice stay youngA cluster of brain stem cells fight ageing in mice. They may do this by releasing molecules of micro-RNA – a process that anti-ageing drugs may be able to mimicNews